ram-made-easy
Standard name Memory clock (MHz) Cycle time[2] (ns) I/O bus clock (MHz) Data transfer rate (MHz) JEDEC standard VDDQ voltage (V) Module name Peak transfer rate (MB/s)
DDR-200 100 10 100 200 2.5 +- 0.2 PC-1600 1600 DDR-266 133 7.5 133 266 2.5 +- 0.2 PC-2100 2100 DDR-333 166 6 166 333 2.5 +- 0.2 PC-2700 2700 DDR-400 200 5 200 400 MHz 2.6 +- 0.1 PC-3200 3200
Standard name Memory clock Cycle time I/O Bus clock Data transfers per second Module name Peak transfer rate Timings[2][3]
DDR2-400 100 MHz 10 ns 200 MHz 400 Million PC2-3200 3200 MB/s 3-3-3 4-4-4 DDR2-533 133 MHz 7.5 ns 266 MHz 533 Million PC2-4200 PC2-43001 4266 MB/s 3-3-3 4-4-4 DDR2-667 166 MHz 6 ns 333 MHz 667 Million PC2-5300 PC2-54001 5333 MB/s 4-4-4 5-5-5 DDR2-800 200 MHz 5 ns 400 MHz 800 Million PC2-6400 6400 MB/s 4-4-4 5-5-5 6-6-6 DDR2-1066 266 MHz 3.75 ns 533 MHz 1066 Million PC2-8500 PC2-86001 8533 MB/s 6-6-6 7-7-7
crucial.com / kingston.com have databases to lookup a computer model and see max possible RAM
Standard name Memory clock Cycle time I/O bus clock Data rate Module name Peak transfer rate Timings DDR3-800 100 MHz 10 ns 400 MHz 800 MT/s PC3-6400 6400 MB/s 5-5-5 6-6-6 DDR3-1066 133 MHz 7.5 ns 533 MHz 1066 MT/s PC3-8500 8533 MB/s 6-6-6 7-7-7 8-8-8 DDR3-1333 166 MHz 6 ns 667 MHz 1333 MT/s PC3-10600 10667 MB/s 7-7-7 8-8-8 9-9-9 10-10-10 DDR3-1600 200 MHz 5 ns 800 MHz 1600 MT/s PC3-12800 12800 MB/s 8-8-8 9-9-9 10-10-10 11-11-11